Is it worth switching from Final Cut to Premiere?

Both programs will get the job done if you need to render a video. In my opinion Premiere is only worth the switch:

If what you are doing requires you to routinely work between other Adobe Creative Cloud apps to get your job done.

Otherwise:

If you are the only person in your workflow stick with Final Cut.

If you are confident you will never have to edit anything on a Windows machine not even in a pinch then stick with Final Cut.

If you don't want to or can't afford to pay monthly or yearly for a Adobe subscription then stick with Final Cut.

If you hate Adobe because this one time several years ago you tried it and hated it because the features from Final Cut weren't available stick with Final Cut.

If you are already making money using Final Cut and no one is making you switch for any reason that would make you more money then stick with Final Cut.

If using Final Cut makes you feel like you're a superior being to the lowly pawns using Adobe Premiere then by all means knock yourself out. Stick with Final Cut.

What I'm trying to get at is that if you are the only person you have to work with then it really doesn't matter what you use. Render times be damned. One of my favorite music producers Apollo Brown uses Cool Edit Pro on a Windows Vista PC to compose all his tracks. The author of the Game of Thrones series R.R. Martin uses a DOS word processor on a PC from the eighties. There isn't a single feature on either platform on either Premiere or Final Cut that you can't work without if you are your only collaborator.

Now if you are in an situation where you have to work with others who use Premiere or other apps within the Creative Cloud as part of their workflow then yes, absolutely learn the heck out of Premiere. Learn Premiere all the way to bank.